/* 用于 loading 函数的 样式 */

.mask-loading-container > .loading-mask {
    position: relative;
    width: 50px;
    perspective: 200px;
  }
  
  .loading-mask:before,
  .loading-mask:after {
    position: absolute;
    width: 20px;
    height: 20px;
    content: "";
    animation: jumping 0.5s infinite alternate;
    background: rgba(0, 0, 0, 0);
  }
  
  .loading-mask:before {
    left: 0;
  }
  
  .loading-mask:after {
    right: 0;
    animation-delay: 0.15s;
  }
  
  @keyframes jumping {
    0% {
      transform: scale(1) translateY(0px) rotateX(0deg);
      box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }
  
    100% {
      transform: scale(1.2) translateY(-25px) rotateX(45deg);
      background: #000;
      box-shadow: 0 25px 40px #000;
    }
  }
  
  